X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Fmodules%2FguiControlFlow%2FDraw_Item.c;h=4a6d6d2af729437828d2a816d3d33a376dced7ba;hb=f66eba62898bf525692d55ef95935266aee56096;hp=4ccd30e8760ab74f7fd4d27047d647c97b81e7b6;hpb=b782dd11ec8e363e135b32a563687a8e4f70bedb;p=lttv.git

diff --git a/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.c b/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.c
index 4ccd30e8..4a6d6d2a 100644
--- a/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.c
+++ b/ltt/branches/poly/lttv/modules/guiControlFlow/Draw_Item.c
@@ -37,9 +37,13 @@
  *   GQuark.) The habitual place for xpm icons is in
  *   ${prefix}/share/LinuxTraceToolkit.) + position (over or under line)
  * - line (color, width, style)
- * - Arc (can be seen as points) (color, size)
+ * - Arc (big points) (color, size)
  * - background color (color)
  *
+ * An item is a leaf of the attributes tree. It is, in that case, including
+ * all kind of events categories we can have. It then associates each category
+ * with one or more actions (drawing something) or nothing.
+ * 
  * Each item has an array of hooks (hook list). Each hook represents an
  * operation to perform. We seek the array each time we want to
  * draw an item. We execute each operation in order. An operation type
@@ -64,177 +68,274 @@
  * We use the lttv global attributes to keep track of the loaded icons.
  * If we need an icon, we look for it in the icons / icon name pathname.
  * If found, we use the pointer to it. If not, we load the pixmap in
- * memory and set the pointer to the GdkPixmap in the attributes.
+ * memory and set the pointer to the GdkPixmap in the attributes. The
+ * structure pointed to contains the pixmap and the mask bitmap.
  * 
  * Author : Mathieu Desnoyers, October 2003
  */
 
 #include <glib.h>
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
 #include <lttv/hook.h>
 #include <lttv/attribute.h>
 #include <lttv/iattribute.h>
+#include <string.h>
 
 #include <lttv/processTrace.h>
 #include <lttv/state.h>
 
-/* The DrawContext keeps information about the current drawing position and
- * the previous one, so we can use both to draw lines.
- *
- * over : position for drawing over the middle line.
- * middle : middle line position.
- * under : position for drawing under the middle line.
- */
-struct _DrawContext {
-	GdkDrawable	*drawable;
-	GdkGC		*gc;
-
-	DrawInfo	*Current;
-	DrawInfo	*Previous;
-};
-
-struct _DrawInfo {
-	ItemInfo	*over;
-	ItemInfo	*middle;
-	ItemInfo	*under;
-};
-
-/* LttvExecutionState is accessible through the LttvTracefileState. Is has
- * a pointer to the LttvProcessState which points to the top of stack
- * execution state : LttvExecutionState *state.
- *
- * LttvExecutionState contains (useful here):
- * LttvExecutionMode t,
- * LttvExecutionSubmode n,
- * LttvProcessStatus s
- * 
- *
- * LttvTraceState will be used in the case we need the string of the
- * different processes, eventtype_names, syscall_names, trap_names, irq_names.
- *
- * LttvTracefileState also gives the cpu_name and, as it herits from
- * LttvTracefileContext, it gives the LttEvent structure, which is needed
- * to get facility name and event name.
- */
-struct _ItemInfo {
-	gint	x, y;
-	LttvTraceState		*ts;
-	LttvTracefileState	*tfs;
-};
-
-
-/*
- * The Item element is only used so the DrawOperation is modifiable by users.
- * During drawing, only the Hook is needed.
- */
-struct _DrawOperation {
-	DrawableItems	Item;
-	LttvHooks	*Hook;
-};
-
-/*
- * We define here each items that can be drawn, together with their
- * associated priority. Many item types can have the same priority,
- * it's only used for quicksorting the operations when we add a new one
- * to the array of operations to perform. Lower priorities are executed
- * first. So, for example, we may want to give background color a value
- * of 10 while a line would have 20, so the background color, which
- * is in fact a rectangle, does not hide the line.
- */
-
-typedef enum _DrawableItems {
-	ITEM_TEXT, ITEM_ICON, ITEM_LINE, ITEM_POINT, ITEM_BACKGROUND
-} DrawableItems;
-
-static gchar * Items_Priorities = {
-	50,	/* ITEM_TEXT */
-	40,	/* ITEM_ICON */
-	20,	/* ITEM_LINE */
-	30,	/* ITEM_POINT */
-	10	/* ITEM_BACKGROUND */
-};
-
-typedef enum _RelPos {
-	OVER, MIDDLE, UNDER
-} RelPos;
-
-/*
- * Here are the different structures describing each item type that can be
- * drawn. They contain the information necessary to draw the item : not the
- * position (this is provided by the DrawContext), but the text, icon name,
- * line width, color; all the properties of the specific items.
- */
-
-struct _PropertiesText {
-	GdkColor	*foreground;
-	GdkColor	*background;
-	gint		size;
-	gchar		*Text;
-	RelPos		position;
-};
-
-
-struct _PropertiesIcon {
-	gchar		*icon_name;
-	gint		width;
-	gint		height;
-	RelPos		position;
-};
-
-struct _PropertiesLine {
-	GdkColor	*color;
-	gint		line_width;
-	GdkLineStyle	style;
-	RelPos		position;
-};
-
-struct _PropertiesArc {
-	GdkColor	*color;
-	gint		size;	/* We force circle by width = height */
-	gboolean	filled;
-	RelPos		position;
-};
-
-struct _PropertiesBG {
-	GdkColor	*color;
-};
-
-
+#include "Draw_Item.h"
 
 
+#define MAX_PATH_LEN 256
 
 /* Drawing hook functions */
-gboolean DrawText( void *hook_data, void *call_data)
+gboolean draw_text( void *hook_data, void *call_data)
 {
 	PropertiesText *Properties = (PropertiesText*)hook_data;
 	DrawContext *Draw_Context = (DrawContext*)call_data;
+
+	PangoContext *context;
+	PangoLayout *layout;
+	PangoFontDescription *FontDesc;// = pango_font_description_new();
+	gint Font_Size;
+	PangoRectangle ink_rect;
+		
+	gdk_gc_set_foreground(Draw_Context->gc, Properties->foreground);
+	gdk_gc_set_background(Draw_Context->gc, Properties->background);
+
+	layout = gtk_widget_create_pango_layout(GTK_WIDGET(Draw_Context->drawable), NULL);
+	context = pango_layout_get_context(layout);
+	FontDesc = pango_context_get_font_description(context);
+	Font_Size = pango_font_description_get_size(FontDesc);
+	pango_font_description_set_size(FontDesc, Properties->size*PANGO_SCALE);
+	
+	
+	pango_layout_set_text(layout, Properties->Text, -1);
+	pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
+	switch(Properties->position) {
+		case OVER:
+							gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+								Draw_Context->Current->modify_over->x,
+								Draw_Context->Current->modify_over->y,
+								layout);
+							Draw_Context->Current->modify_over->x += ink_rect.width;
+
+			break;
+		case MIDDLE:
+							gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+								Draw_Context->Current->modify_middle->x,
+								Draw_Context->Current->modify_middle->y,
+								layout);
+							Draw_Context->Current->modify_middle->x += ink_rect.width;
+			break;
+		case UNDER:
+							gdk_draw_layout(Draw_Context->drawable, Draw_Context->gc,
+								Draw_Context->Current->modify_under->x,
+								Draw_Context->Current->modify_under->y,
+								layout);
+							Draw_Context->Current->modify_under->x += ink_rect.width;
+			break;
+	}
+
+
+	pango_font_description_set_size(FontDesc, Font_Size);
+	g_free(layout);
+	
+	return 0;
 }
 
-gboolean DrawIcon( void *hook_data, void *call_data)
+
+/* To speed up the process, search in already loaded icons list first. Only
+ * load it if not present.
+ */
+gboolean draw_icon( void *hook_data, void *call_data)
 {
 	PropertiesIcon *Properties = (PropertiesIcon*)hook_data;
 	DrawContext *Draw_Context = (DrawContext*)call_data;
 
+  LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+	LttvAttributeValue value;
+	gchar icon_name[MAX_PATH_LEN] = "icons/";
+	IconStruct *icon_info;
+
+	strcat(icon_name, Properties->icon_name);
+	
+  g_assert(lttv_iattribute_find_by_path(attributes, icon_name,
+      LTTV_POINTER, &value));
+	if(*(value.v_pointer) == NULL)
+	{
+  	*(value.v_pointer) = icon_info = g_new(IconStruct,1);
+		
+		icon_info->pixmap = gdk_pixmap_create_from_xpm(Draw_Context->drawable,
+													&icon_info->mask, NULL, Properties->icon_name);
+	}
+	else
+	{
+		icon_info = *(value.v_pointer);
+	}
+	
+	gdk_gc_set_clip_mask(Draw_Context->gc, icon_info->mask);
+	
+	switch(Properties->position) {
+		case OVER:
+							gdk_gc_set_clip_origin(
+									Draw_Context->gc,
+									Draw_Context->Current->modify_over->x,
+									Draw_Context->Current->modify_over->y);
+							gdk_draw_drawable(Draw_Context->drawable, 
+									Draw_Context->gc,
+									icon_info->pixmap,
+									0, 0,
+									Draw_Context->Current->modify_over->x,
+									Draw_Context->Current->modify_over->y,
+									Properties->width, Properties->height);
+
+							Draw_Context->Current->modify_over->x += Properties->width;
+
+			break;
+		case MIDDLE:
+							gdk_gc_set_clip_origin(
+									Draw_Context->gc,
+									Draw_Context->Current->modify_middle->x,
+									Draw_Context->Current->modify_middle->y);
+							gdk_draw_drawable(Draw_Context->drawable, 
+									Draw_Context->gc,
+									icon_info->pixmap,
+									0, 0,
+									Draw_Context->Current->modify_middle->x,
+									Draw_Context->Current->modify_middle->y,
+									Properties->width, Properties->height);
+
+							Draw_Context->Current->modify_middle->x += Properties->width;
+			break;
+		case UNDER:
+							gdk_gc_set_clip_origin(
+									Draw_Context->gc,
+									Draw_Context->Current->modify_under->x,
+									Draw_Context->Current->modify_under->y);
+							gdk_draw_drawable(Draw_Context->drawable, 
+									Draw_Context->gc,
+									icon_info->pixmap,
+									0, 0,
+									Draw_Context->Current->modify_under->x,
+									Draw_Context->Current->modify_under->y,
+									Properties->width, Properties->height);
+
+							Draw_Context->Current->modify_under->x += Properties->width;
+			break;
+	}
+
+	gdk_gc_set_clip_origin(Draw_Context->gc, 0, 0);
+	gdk_gc_set_clip_mask(Draw_Context->gc, NULL);
+	
+	return 0;
 }
 
-gboolean DrawLine( void *hook_data, void *call_data)
+gboolean draw_line( void *hook_data, void *call_data)
 {
 	PropertiesLine *Properties = (PropertiesLine*)hook_data;
 	DrawContext *Draw_Context = (DrawContext*)call_data;
 
+	gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+	gdk_gc_set_line_attributes(	Draw_Context->gc,
+															Properties->line_width,
+															Properties->style,
+															GDK_CAP_BUTT,
+															GDK_JOIN_MITER);
+
+	switch(Properties->position) {
+		case OVER:
+							drawing_draw_line(
+								NULL, Draw_Context->drawable,
+								Draw_Context->Previous->over->x,
+								Draw_Context->Previous->over->y,
+								Draw_Context->Current->over->x,
+								Draw_Context->Current->over->y,
+								Draw_Context->gc);
+			break;
+		case MIDDLE:
+							drawing_draw_line(
+								NULL, Draw_Context->drawable,
+								Draw_Context->Previous->middle->x,
+								Draw_Context->Previous->middle->y,
+								Draw_Context->Current->middle->x,
+								Draw_Context->Current->middle->y,
+								Draw_Context->gc);
+			break;
+		case UNDER:
+							drawing_draw_line(
+								NULL, Draw_Context->drawable,
+								Draw_Context->Previous->under->x,
+								Draw_Context->Previous->under->y,
+								Draw_Context->Current->under->x,
+								Draw_Context->Current->under->y,
+								Draw_Context->gc);
+
+			break;
+	}
+
+	return 0;
 }
 
-gboolean DrawArc( void *hook_data, void *call_data)
+gboolean draw_arc( void *hook_data, void *call_data)
 {
 	PropertiesArc *Properties = (PropertiesArc*)hook_data;
 	DrawContext *Draw_Context = (DrawContext*)call_data;
 
+	gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+
+	switch(Properties->position) {
+		case OVER:
+			gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+							Properties->filled,
+							Draw_Context->Current->modify_over->x,
+							Draw_Context->Current->modify_over->y,
+							Properties->size, Properties->size, 0, 360*64);
+			Draw_Context->Current->modify_over->x += Properties->size;
+		
+			break;
+		case MIDDLE:
+			gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+							Properties->filled,
+							Draw_Context->Current->modify_middle->x,
+							Draw_Context->Current->modify_middle->y,
+							Properties->size, Properties->size, 0, 360*64);
+			Draw_Context->Current->modify_middle->x += Properties->size;
+			
+			break;
+		case UNDER:
+			gdk_draw_arc(Draw_Context->drawable, Draw_Context->gc,
+							Properties->filled,
+							Draw_Context->Current->modify_under->x,
+							Draw_Context->Current->modify_under->y,
+							Properties->size, Properties->size, 0, 360*64);
+			Draw_Context->Current->modify_under->x += Properties->size;
+	
+			break;
+	}
+
+	
+	return 0;
 }
 
-gboolean DrawBG( void *hook_data, void *call_data)
+gboolean draw_bg( void *hook_data, void *call_data)
 {
 	PropertiesBG *Properties = (PropertiesBG*)hook_data;
 	DrawContext *Draw_Context = (DrawContext*)call_data;
 
+	gdk_gc_set_foreground(Draw_Context->gc, Properties->color);
+
+
+	gdk_draw_rectangle(Draw_Context->drawable, Draw_Context->gc,
+					TRUE,
+					Draw_Context->Previous->over->x,
+					Draw_Context->Previous->over->y,
+					Draw_Context->Current->over->x - Draw_Context->Previous->over->x,
+					Draw_Context->Previous->under->y);
+
+	return 0;
 }